Speaker



FIG. 1 is a perspective view of a speaker, embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a back elevation view thereof; and,

FIG. 7 is a front elevation view thereof. 

CLAIM An ornamental design for a speaker, as shown and described. 